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quanization overload error

quanization overload error

quanization overload error

(OP)
Hi,
I generate a Laplace contribution vector
with pdf = (1/2b)* exp(-abs(x-mu)/b)   b=1 mu=0

I pass it in a quantizer (min=-4 max=4) and I would like to
compute the probability overload error.

Does anybody know how to compute it P(x)=P(X>4)+P(X<4)
theoretical and in matlab

Thanks a lot
 

RE: quanization overload error

(OP)
What is the expression I have to integrate ?
pdf from -oo to +oo ?

I don;t know monte carlo unfortunately

RE: quanization overload error

assuming your psd has unit area then %failure=100*(1-2*integral between 0 and 4 of the psd)

monte carlo is just a simulation, where you generate a population that has the right psd and then see how many pass or fail. There may be better approaches

Cheers

Greg Locock


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